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MaRussiya [10]
3 years ago
11

A model to show where water flows during a storm?

Chemistry
1 answer:
Ivahew [28]3 years ago
4 0
A pond that is a pond or a lake or a pipe
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Which type of solid can become an electrical conductor via chemical substitution?
Ludmilka [50]
Covalent-network solids
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3 years ago
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Is facilitated diffusion passive or active transport?
bazaltina [42]

Answer:

Its passive

Explanation:

Facilitated diffusion is a type of passive transport that allows substances to cross membranes with the assistance of special transport proteins.

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3 years ago
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myrzilka [38]

The rabbit and the girl are living things.

The shoe and the skirt are non-living things.

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3 years ago
1.00 g of a compound is combusted in oxygen and found to give 3.14g of CO2 and 1.29 g of H2O. From these data we can tell thatA.
lora16 [44]

Answer:

the compound contains C, H, and some other element of unknownidentity, so we can’t calculate the empirical formula

Explanation:

Mass of CO2 obtained = 3.14 g

Hence number of moles of CO2 = 3.14g/44.0 g = 0.0714 mol

The mass of the carbon in the sample = 0.0714 mol × 12.0g/mol = 0.857 g

Mass of H2O obtained = 1.29 g

Hence number of moles of H2O = 1.29g/18.0 g = 0.0717 mol

The mass of the carbon in the sample = 0.0717 mol × 1g/mol = 0.0717 g

% by mass of carbon = 0.857/1 ×100 = 85.7 %

% by mass of hydrogen = 0.0717/1 × 100 = 7.17%

Mass of carbon and hydrogen = 85.7 + 7.17 = 92.87 %

Hence, there must be an unidentified element that accounts for (100 - 92.87) = 7.13% of the compound.

5 0
3 years ago
At which position is the northern hemisphere experiencing winter?
andrezito [222]

Answer:

Point A

Explanation:

The Northern Hemisphere is furthest away from the sun in position A. Therefore the sunlight takes longer to reach the Earth which results in the Northern Hemisphere experiencing winter.

7 0
2 years ago
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